Abstract: The animals，from the surveillance reports on emerging infectious diseases, were main reservoir of pathogens. Many factors lead to the prevalent of zoonosis or emerging zoonosis emergence. The environmental changes, human and animal demography, pathogen changes and changes in farming practice are the most important factors triggering those diseases. The human social behaviors like food habits and religious beliefs play a role too. The harmonious between the humankind and animals and maintain the ecological balance are the important things we should do.

Key words: Animal, Zoonosis, Emeiging infectious disease